RNA Editing
Occasionally researches encounter a gene with a sequence of nucleotides that does not match exactly that in its RNA product:
messenger RNA (mRNA) or
ribosomal RNA (rRNA) or
transfer RNA (tRNA) and even
microRNA (miRNA) ...
RNA editing A change, after transcription, in the information content of RNA by processes other than RNA splicing.
RNA enzymes RNA molecules that act as enzymes. Also called ribozymes.
"RNA editing in plant mitochondria". Nature 341: 662-666.
^ Omer AD, Ziesche S, Decatur WA, Fournier MJ, Dennis PP (2003). "RNA-modifying machines in archaea". Molecular Microbiology 48 (3): 617-629.
^ Doran G (2007).
In addition to alternate splicing and RNA editing that increase mRNA complexity, protein modification and alternative translation can all expand the population of proteins that come from one mRNA species.
Products of post-transcriptional processing of primary transcript. Post-transcriptional RNA modifications include splicing, polyadenylation, and RNA editing.
Related
Splicing polyA ...
This may result in proteins with different composition of amino acids or it may involve just the length of 3' UTR. One reason for alternative/differential splicing is base modification during RNA editing causing a change in slice sites.
 See also: Trans, Human, DNA, Genome, Protein
  
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